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n | a(n) |
---|---|
1 | 1 |
2 | 7 |
3 | 45 |
4 | 297 |
5 | 2002 |
6 | 13630 |
7 | 93177 |
8 | 638001 |
9 | 4371235 |
10 | 29956465 |
11 | 205313076 |
12 | 1407206412 |
13 | 9645056785 |
14 | 66107994667 |
15 | 453110391657 |
16 | 3105663400665 |
17 | 21286529888422 |
18 | 145900036590826 |
19 | 1000013702089545 |
20 | 6854195814790005 |
21 | 46979356835860351 |
22 | 322001301602738017 |
23 | 2207029753248402600 |
24 | 15127206968164865112 |
[1,7,45,297,2002,13630,93177,638001,4371235, 29956465,205313076,1407206412,9645056785, 66107994667,453110391657,3105663400665, 21286529888422,145900036590826,1000013702089545, 6854195814790005,46979356835860351, 322001301602738017,2207029753248402600, 15127206968164865112] |